Last updated: March 2, 2024
The weather in Guernsey, United States, during May is characterized by an average temperature of 13°C (55°F). Highs can soar to 30°C (86°F), while lows may dip to -1°C (31°F). Typically, the humidity level in Guernsey throughout May hovers around 74%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In May, Guernsey averages 85 mm (3.3 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 14 hours 36 minutes of daylight, with the sun shining for approximately 10 hours 6 minutes each day. Additionally, there is a 42% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In May, the UV Index in Guernsey reaches a maximum of 10, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 15 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 2 | 4 | 6 | 8 | 10 | 10 | 9 | 7 | 5 | 3 | 2 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 25 min | 30 min | 45 min | ||||||